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