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