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