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