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