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