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