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