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