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