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