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