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