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