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