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