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