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