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