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