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