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