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)(19,27)(20,29)(21,26)(22,30)(23,25)(24,28)(31,32)(1,2)(3,8)(4,6)(5,7)(9,11,13,14)(10,12,15,16)(17,19,23,28)(18,24,25,27)(20,26,30,32)(21,29,31,22)(1,3,5,4)(2,6,7,8)(9,10)(11,16)(12,14)(13,15)(18,25)(20,30)(24,27)(26,32)(1,2)(3,6)(4,8)(5,7)(9,11,13,14)(10,12,15,16)(17,20)(18,22)(19,26)(21,24)(23,30)(25,29)(27,31)(28,32)(1,4,5,3)(2,6,7,8)(9,12,13,16)(10,14,15,11)(17,21,23,31)(18,26,25,32)(19,22,28,29)(20,27,30,24)(1,2)(3,6)(4,8)(5,7)(9,10)(11,12)(13,15)(14,16)(17,22)(18,20)(19,21)(23,29)(24,26)(25,30)(27,32)(28,31) 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.