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