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