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