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