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