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