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