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