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)(20,33)(21,27)(22,37)(23,38)(24,29)(25,31)(26,30)(32,45)(34,48)(35,44)(36,40)(39,41)(42,47)(43,46)(1,3,4,11,5,10,13,14)(2,6,7,9,8,15,12,16)(17,19,22,31,24,32,21,23)(18,25,27,28,29,38,37,45)(20,30,35,46,36,47,34,39)(26,40,41,44,42,33,43,48)(17,20,24,36)(18,26,29,42)(19,30,32,47)(21,34,22,35)(23,39,31,46)(25,40,38,33)(27,41,37,43)(28,44,45,48)(3,10)(6,15)(9,16)(11,14)(17,21,24,22)(18,27,29,37)(19,23,32,31)(20,34,36,35)(25,28,38,45)(26,41,42,43)(30,39,47,46)(33,48,40,44)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.