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