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