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