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