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