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)(17,18,20,22)(19,21,24,23)(25,26,28,29)(27,30,32,31)(1,3,5,8)(2,6,4,7)(9,11)(10,15)(12,13)(14,16)(17,18)(19,23)(20,22)(21,24)(26,29)(30,31)(2,4)(6,7)(10,12)(11,16)(17,19,20,24)(18,21,22,23)(25,27,28,32)(26,30,29,31)(1,4,5,2)(3,7,8,6)(9,12,14,10)(11,13,16,15)(17,18)(19,21)(20,22)(23,24)(1,3)(2,6)(4,7)(5,8)(9,13)(10,11)(12,16)(14,15)(17,19)(18,21)(20,24)(22,23)(25,26)(27,31)(28,29)(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.