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