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