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