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