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