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