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