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