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