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