One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,7,11,5,12,6,10)(3,8,13,9,4,14,15,16)(17,18)(19,25,27,22)(20,23,28,30)(21,24)(26,31)(29,32)(1,3,5,4)(2,8,12,14)(6,13,7,15)(9,11,16,10)(17,19,21,27)(18,22,24,25)(20,26,28,32)(23,29,30,31)(1,4,5,3)(2,9)(6,15,7,13)(8,11)(10,14)(12,16)(17,20)(18,23,24,30)(19,26)(21,28)(22,29,25,31)(27,32)(18,24)(22,25)(23,30)(29,31) 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.