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