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