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