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