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