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