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