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