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