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