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