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