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