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