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