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