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