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