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