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