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