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