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