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