diff --git a/src/crewai/flow/flow_visualizer.py b/src/crewai/flow/flow_visualizer.py
index 839694a0b..3a2e60005 100644
--- a/src/crewai/flow/flow_visualizer.py
+++ b/src/crewai/flow/flow_visualizer.py
@@ -3,7 +3,6 @@
 import base64
 import os
 import re
-from abc import ABC, abstractmethod
 
 from pyvis.network import Network
 
@@ -13,7 +12,7 @@ GRAY = "#666666"
 WHITE = "#FFFFFF"
 
 
-class FlowVisualizer(ABC):
+class FlowVisualizer:
     def __init__(self, flow):
         self.flow = flow
         self.colors = {
@@ -31,13 +30,13 @@ class FlowVisualizer(ABC):
                 "color": self.colors["start"],
                 "shape": "box",
                 "font": {"color": self.colors["text"]},
-                "margin": 15,
+                "margin": {"top": 10, "bottom": 8, "left": 10, "right": 10},
             },
             "method": {
                 "color": self.colors["method"],
                 "shape": "box",
                 "font": {"color": self.colors["text"]},
-                "margin": 15,
+                "margin": {"top": 10, "bottom": 8, "left": 10, "right": 10},
             },
             "router": {
                 "color": {
@@ -53,16 +52,10 @@ class FlowVisualizer(ABC):
                 "borderWidth": 3,
                 "borderWidthSelected": 4,
                 "shapeProperties": {"borderDashes": [5, 5]},
-                "margin": 15,
+                "margin": {"top": 10, "bottom": 8, "left": 10, "right": 10},
             },
         }
 
-    @abstractmethod
-    def visualize(self, filename):
-        pass
-
-
-class PyvisFlowVisualizer(FlowVisualizer):
     def visualize(self, filename):
         net = Network(
             directed=True,
@@ -74,7 +67,6 @@ class PyvisFlowVisualizer(FlowVisualizer):
 
         # Calculate levels for nodes
         node_levels = self._calculate_node_levels()
-        print("node_levels", node_levels)
 
         # Assign positions to nodes based on levels
         y_spacing = 150
@@ -342,7 +334,7 @@ class PyvisFlowVisualizer(FlowVisualizer):
         visited = set()
         pending_and_listeners = {}
 
-        # Initialize start methods at level 0
+        # Make all start methods at level 0
         for method_name, method in self.flow._methods.items():
             if hasattr(method, "__is_start_method__"):
                 levels[method_name] = 0
@@ -354,7 +346,6 @@ class PyvisFlowVisualizer(FlowVisualizer):
             current_level = levels[current]
             visited.add(current)
 
-            # Get methods that listen to the current method
             for listener_name, (
                 condition_type,
                 trigger_methods,
@@ -382,7 +373,7 @@ class PyvisFlowVisualizer(FlowVisualizer):
                             if listener_name not in visited:
                                 queue.append(listener_name)
 
-            # Handle router connections (same as before)
+            # Handle router connections
             if current in self.flow._routers.values():
                 router_method_name = current
                 paths = self.flow._router_paths.get(router_method_name, [])
@@ -402,7 +393,6 @@ class PyvisFlowVisualizer(FlowVisualizer):
         return levels
 
     def _count_outgoing_edges(self):
-        # Helper method to count the number of outgoing edges from each node
         counts = {}
         for method_name in self.flow._methods:
             counts[method_name] = 0
@@ -419,9 +409,7 @@ class PyvisFlowVisualizer(FlowVisualizer):
         for node in self.flow._methods:
             if node not in visited:
                 self._dfs_ancestors(node, ancestors, visited)
-        print("Ancestor Relationships:")
-        for node, node_ancestors in ancestors.items():
-            print(f"{node}: {node_ancestors}")
+
         return ancestors
 
     def _dfs_ancestors(self, node, ancestors, visited):
@@ -452,6 +440,7 @@ class PyvisFlowVisualizer(FlowVisualizer):
 
     def _build_parent_children_dict(self):
         parent_children = {}
+
         # Map listeners to their trigger methods
         for listener_name, (_, trigger_methods) in self.flow._listeners.items():
             for trigger in trigger_methods:
@@ -459,6 +448,7 @@ class PyvisFlowVisualizer(FlowVisualizer):
                     parent_children[trigger] = []
                 if listener_name not in parent_children[trigger]:
                     parent_children[trigger].append(listener_name)
+
         # Map router methods to their paths and to listeners
         for router_method_name, paths in self.flow._router_paths.items():
             for path in paths:
@@ -469,19 +459,15 @@ class PyvisFlowVisualizer(FlowVisualizer):
                             parent_children[router_method_name] = []
                         if listener_name not in parent_children[router_method_name]:
                             parent_children[router_method_name].append(listener_name)
-        # Debugging output
-        print("Parent-Children Relationships:")
-        for parent, children in parent_children.items():
-            print(f"{parent}: {children}")
+
         return parent_children
 
     def _get_child_index(self, parent, child, parent_children):
-        # Helper method to get the index of the child among the parent's children
         children = parent_children.get(parent, [])
         children.sort()
         return children.index(child)
 
 
 def visualize_flow(flow, filename="flow_graph"):
-    visualizer = PyvisFlowVisualizer(flow)
+    visualizer = FlowVisualizer(flow)
     visualizer.visualize(filename)