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