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