One vertex per element, one color per generator, with an edge from x to x·s.
(1,23,16,10,17,24,6,8,18,2,4,22)(3,19,29,7,25,31,11,27,30,12,13,32)(5,9,15,21)(14,28,26,20)(2,7)(3,11)(8,19)(9,20)(10,12)(13,25)(14,26)(21,28)(22,31)(23,27)(24,32)(29,30) involution — undirected(4,15)(5,17)(8,21)(9,23)(13,26)(14,25)(16,18)(19,28)(20,27)(22,24)(29,30)(31,32) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.