"Starting from Visual Studio 2010 Ultimate there is a cool feature called DGML (Directed Graph Markup Language).
I wrote a small script to convert the disassembled code from WinDBG into a DGML.
In order to use it, simply type the following commands under a debug session:
.shell -o LoadLibraryA.dgml -ci "uf kernel32!LoadLibraryA" cscript.exe /nologo dasm2dgml.js
A DGML file will be generated with the given name, and here is what it looks like: