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