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