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