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