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