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