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