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)(17,18,19,26,22,27,29,23)(20,25,30,32,21,31,28,24)(1,3)(2,6)(4,7)(5,8)(9,10)(11,15)(12,14)(13,16)(17,19,22,29)(18,23,27,26)(20,28,21,30)(24,25,32,31)(1,2,5,4)(3,6,8,7)(9,11)(10,13)(12,16)(14,15)(17,20,22,21)(18,24,27,32)(19,28,29,30)(23,25,26,31)(3,8)(6,7)(11,16)(13,15)(17,21,22,20)(18,25,27,31)(19,28,29,30)(23,24,26,32)(1,4,5,2)(3,7,8,6)(10,14)(13,15)(17,19,22,29)(18,26,27,23)(20,28,21,30)(24,31,32,25)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.