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