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