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