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