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