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