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