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)(17,18,22,24)(19,25,27,21)(20,23,28,31)(26,32,29,30)(33,34,39,42)(35,40,36,38)(37,41,46,48)(43,47,44,45)(2,7)(3,9)(5,14)(12,15)(17,19,22,27)(18,21,24,25)(20,26,28,29)(23,30,31,32)(35,36)(38,40)(43,44)(45,47)(2,7)(4,8)(10,13)(12,15)(20,28)(23,31)(26,29)(30,32)(33,35,39,36)(34,40,42,38)(37,44,46,43)(41,45,48,47)(1,3,6,9)(2,8,7,4)(5,11,14,16)(10,15,13,12)(17,19)(18,21)(20,29)(22,27)(23,32)(24,25)(26,28)(30,31)(33,36,39,35)(34,38,42,40)(37,43,46,44)(41,47,48,45)(1,4,6,8)(2,9,7,3)(5,12,14,15)(10,16,13,11)(17,20,22,28)(18,23,24,31)(19,26,27,29)(21,30,25,32)(33,37)(34,41)(35,43)(36,44)(38,45)(39,46)(40,47)(42,48)(1,5)(2,10)(3,11)(4,12)(6,14)(7,13)(8,15)(9,16)(17,21)(18,19)(20,30)(22,25)(23,26)(24,27)(28,32)(29,31)(33,38)(34,35)(36,42)(37,45)(39,40)(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.