I am trying to draw a graph with many nodes and edges. However, the graph is becoming too clumsy, with nodes and edges overlapping. I tried (unsuccessfully), the following, all or combinations of...

I am doing composition of automata. So at the end of that, I want to draw the composed automata also. So are there any libraries for that in ocaml? or are there ocaml wrappers written for any graph...

I want to show Double quotes and Parentheses in nodes. Without using A[label="Rahul(A)"]. I want to show during Rahul(A) -> B