G = to_networkx(data, to_undirected=True)
plt.figure(figsize=(12,12))
plt.axis('off')
nx.draw_networkx(G,
                pos=nx.spring_layout(G, seed=0),
                with_labels=True,
                node_size=800,
                node_color=data.y,
                cmap="hsv",
                vmin=-2,
                vmax=3,
                width=0.8,
                edge_color="grey",
                font_size=14
                )
plt.show()