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