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