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