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