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