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