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