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