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