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