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