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