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