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