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