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)(7,11)(12,15)(14,16)(17,18,23,28)(19,29,33,48)(20,26,35,44)(21,25,34,45)(22,38,37,27)(24,40,43,31)(30,42,36,47)(32,41,39,46)(1,2)(3,7)(4,8)(5,13)(6,9)(10,14)(11,15)(12,16)(17,19,23,33)(18,24,28,43)(20,31,35,40)(21,36,34,30)(22,39,37,32)(25,29,45,48)(26,46,44,41)(27,47,38,42)(1,3,6,12)(2,7,9,16)(4,11,5,14)(8,15,13,10)(1,4,6,5)(2,8,9,13)(3,11,12,14)(7,15,16,10)(17,20,22,34,23,35,37,21)(18,25,27,44,28,45,38,26)(19,30,32,31,33,36,39,40)(24,41,42,29,43,46,47,48)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.