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