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