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)(11,16)(12,13)(14,15)(17,18,21,20)(19,22,24,23)(25,26,30,31)(27,28,32,29)(2,4)(6,8)(10,15)(13,16)(17,18)(19,23)(20,21)(22,24)(25,27,30,32)(26,29,31,28)(9,11,14,12)(10,16,15,13)(17,19)(18,22)(20,23)(21,24)(25,28,30,29)(26,27,31,32)(1,3,5,7)(2,6,4,8)(9,12,14,11)(10,16,15,13)(17,19)(18,23)(20,22)(21,24)(25,29,30,28)(26,27,31,32)(1,4,5,2)(3,6,7,8)(9,13,14,16)(10,12,15,11)(17,20,21,18)(19,23,24,22)(25,27)(26,29)(28,31)(30,32)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.