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