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