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