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