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