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