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