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