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