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