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