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