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