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