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