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