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