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