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