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