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