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