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