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