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