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