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