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