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