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