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