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