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