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)(19,24)(20,26)(21,25)(22,23)(27,32)(28,29)(30,31)(33,34,37,41)(35,38,43,39)(36,44,46,40)(42,48,45,47)(2,5)(6,8)(10,13)(14,16)(18,23)(19,26)(25,31)(27,29)(33,35,37,43)(34,38,41,39)(36,45,46,42)(40,48,44,47)(9,10,12,13)(11,14,15,16)(17,19,22,26)(18,24,23,20)(21,29,30,27)(25,28,31,32)(33,34)(35,38)(36,40)(37,41)(39,43)(42,47)(44,46)(45,48)(1,2)(3,6)(4,5)(7,8)(17,20,22,24)(18,19,23,26)(21,28,30,32)(25,27,31,29)(33,35)(34,39)(36,42)(37,43)(38,41)(40,48)(44,47)(45,46)(1,3)(2,6)(4,7)(5,8)(9,11)(10,14)(12,15)(13,16)(17,21)(18,25)(19,27)(20,28)(22,30)(23,31)(24,32)(26,29)(33,36,37,46)(34,40,41,44)(35,42,43,45)(38,47,39,48)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.