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