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