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