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