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