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