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