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