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