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