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