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