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