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