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