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