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