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