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