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