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