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