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)(17,18,22,25)(19,26,23,20)(21,29,30,24)(27,28,31,32)(35,41)(36,43)(38,44)(39,46)(10,14)(11,15)(19,23)(20,26)(27,31)(28,32)(33,34,37,40)(35,38,41,44)(36,39,43,46)(42,45,47,48)(10,14)(12,16)(17,19,22,23)(18,20,25,26)(21,27,30,31)(24,28,29,32)(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)(18,23)(19,25)(21,28)(22,26)(24,31)(27,29)(30,32)(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)(17,21,22,30)(18,24,25,29)(19,27,23,31)(20,28,26,32)(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.