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