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