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