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