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