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