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