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