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