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