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