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