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)(19,27)(20,23)(24,30)(28,31)(2,5)(6,8)(9,11,12,15)(10,13,14,16)(17,18)(19,28)(20,24)(21,26)(22,29)(23,30)(25,32)(27,31)(10,14)(13,16)(17,19,21,27)(18,23,26,20)(22,24,32,30)(25,31,29,28)(1,3,4,7)(2,6,5,8)(17,20)(18,24)(19,29)(21,23)(22,28)(25,27)(26,30)(31,32)(18,25)(20,28)(22,32)(23,31)(24,30)(26,29) 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.