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