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