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