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