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