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