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