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