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