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