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