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