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