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