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