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