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