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