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)(17,18,21,25)(19,28,32,24)(20,35,23,26)(22,27,29,38)(30,39,48,44)(31,40,34,45)(33,46,47,41)(36,43,37,42)(2,5)(6,8)(17,19,29,47,20,31,37,30,21,32,22,33,23,34,36,48)(18,24,38,46,35,45,42,44,25,28,27,41,26,40,43,39)(1,3,4,7)(2,6,5,8)(10,13)(14,16)(18,25)(19,30)(20,23)(22,37)(24,39)(27,43)(28,44)(29,36)(31,47)(32,48)(33,34)(38,42)(40,46)(41,45)(3,7)(6,8)(9,11,12,15)(10,14,13,16)(17,20,21,23)(18,26,25,35)(19,31,32,34)(22,36,29,37)(24,40,28,45)(27,42,38,43)(30,33,48,47)(39,41,44,46)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.