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