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