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