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