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)(19,21,27,23)(20,24,28,31)(26,29,32,30)(33,34)(35,41)(36,46)(37,43)(38,42)(39,40)(44,48)(45,47)(1,2,6,7)(3,8,10,5)(4,9,14,16)(11,13,12,15)(20,28)(24,31)(26,32)(29,30)(33,35,40,37)(34,41,39,43)(36,45,38,44)(42,48,46,47)(17,19,22,27)(18,23,25,21)(20,26,28,32)(24,30,31,29)(33,36,40,38)(34,42,39,46)(35,44,37,45)(41,47,43,48)(1,3)(2,8)(4,12)(5,7)(6,10)(9,15)(11,14)(13,16)(17,19)(18,21)(20,26)(22,27)(23,25)(24,29)(28,32)(30,31)(33,37,40,35)(34,43,39,41)(36,44,38,45)(42,47,46,48)(1,4,6,14)(2,9,7,16)(3,11,10,12)(5,15,8,13)(17,20)(18,24)(19,26)(21,29)(22,28)(23,30)(25,31)(27,32)(33,38,40,36)(34,42,39,46)(35,45,37,44)(41,47,43,48)(1,5,6,8)(2,3,7,10)(4,13,14,15)(9,12,16,11)(17,21)(18,19)(20,29)(22,23)(24,26)(25,27)(28,30)(31,32)(33,39,40,34)(35,43,37,41)(36,46,38,42)(44,48,45,47)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.