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