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