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