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