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