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