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