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