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