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