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