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