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