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