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