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