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