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