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