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