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