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