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