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