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