One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,6)(3,7,4,8)(9,10)(11,13)(12,14)(15,16)(17,18,22,27)(19,24,31,41)(20,32,35,25)(21,26,30,40)(23,28,37,45)(29,43,34,39)(33,48,47,42)(36,46,38,44)(2,6)(7,8)(9,11,12,15)(10,13,14,16)(17,19,22,31)(18,24,27,41)(20,33,35,47)(21,37,30,23)(25,42,32,48)(26,45,40,28)(29,38,34,36)(39,46,43,44)(1,3,5,4)(2,7,6,8)(10,14)(13,16)(17,20,22,35)(18,25,27,32)(19,29,31,34)(21,33,30,47)(23,38,37,36)(24,39,41,43)(26,42,40,48)(28,46,45,44)(1,3,5,4)(2,7,6,8)(17,21,22,30)(18,26,27,40)(19,23,31,37)(20,34,35,29)(24,28,41,45)(25,43,32,39)(33,38,47,36)(42,46,48,44)(1,4,5,3)(2,8,6,7)(19,30)(21,31)(23,37)(24,40)(26,41)(28,45)(29,47)(33,34)(36,38)(39,48)(42,43)(44,46)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.