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)(19,20)(21,24)(22,23)(25,28)(26,27)(29,32)(30,31)(33,34,37,40)(35,41,43,38)(36,44,45,39)(42,46,48,47)(2,6)(7,8)(18,23)(19,25)(24,31)(26,32)(33,34,37,40)(35,38,43,41)(36,44,45,39)(42,47,48,46)(1,2,5,6)(3,7,4,8)(9,11,13,10)(12,15,16,14)(17,19,22,25)(18,20,23,28)(21,26,30,32)(24,27,31,29)(33,34)(35,41)(36,39)(37,40)(38,43)(42,47)(44,45)(46,48)(1,3,5,4)(2,7,6,8)(9,12)(10,14)(11,15)(13,16)(17,20)(18,19)(21,29)(22,28)(23,25)(24,32)(26,31)(27,30)(33,35,37,43)(34,38,40,41)(36,42,45,48)(39,46,44,47)(1,4,5,3)(2,8,6,7)(17,21)(18,24)(19,26)(20,27)(22,30)(23,31)(25,32)(28,29)(33,36,37,45)(34,39,40,44)(35,42,43,48)(38,46,41,47)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.