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