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