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