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)(17,18,23,29)(19,30,31,46)(20,34,38,45)(21,28,22,27)(24,40,42,32)(25,39,44,33)(26,36,41,37)(35,47,48,43)(1,3)(2,7)(4,13)(5,14)(6,15)(8,11)(9,16)(10,12)(17,19)(18,24)(20,35)(21,33)(22,39)(23,31)(25,41)(26,44)(27,43)(28,47)(29,42)(30,34)(32,37)(36,40)(38,48)(45,46) involution — undirected(1,3)(2,8)(4,13)(5,14)(6,15)(7,11)(9,12)(10,16)(17,19)(18,25)(20,32)(21,39)(22,33)(23,31)(24,41)(26,42)(27,46)(28,30)(29,44)(34,47)(35,37)(36,48)(38,40)(43,45) involution — undirected(1,4,6,5)(2,9,11,10)(3,13,15,14)(7,16,8,12)(19,31)(24,42)(25,44)(30,46)(32,40)(33,39)(35,48)(43,47)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.