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)(17,18,24,28)(19,27,22,23)(20,26,21,25)(29,32,30,31)(35,41)(36,43)(38,44)(39,46)(1,3,7,6)(2,8,4,10)(5,11,14,13)(9,15,12,16)(17,19,24,22)(18,23,28,27)(20,29,21,30)(25,32,26,31)(33,34,37,40)(35,38,41,44)(36,39,43,46)(42,45,47,48)(3,6)(8,10)(11,13)(15,16)(17,20,24,21)(18,25,28,26)(19,29,22,30)(23,32,27,31)(33,35)(34,38)(36,42)(37,41)(39,45)(40,44)(43,47)(46,48)(1,4,7,2)(3,10,6,8)(5,9,14,12)(11,15,13,16)(17,21,24,20)(18,26,28,25)(19,29,22,30)(23,32,27,31)(33,34)(35,38)(36,39)(37,40)(41,44)(42,45)(43,46)(47,48)(1,5,7,14)(2,9,4,12)(3,11,6,13)(8,15,10,16)(17,22,24,19)(18,27,28,23)(20,30,21,29)(25,31,26,32)(33,36,37,43)(34,39,40,46)(35,42,41,47)(38,45,44,48)(1,6,7,3)(2,10,4,8)(5,13,14,11)(9,16,12,15)(17,23,24,27)(18,19,28,22)(20,31,21,32)(25,30,26,29)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.