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