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