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