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