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