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