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