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