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