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