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