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