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