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