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