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