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