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