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