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