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