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