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