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