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