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