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