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