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