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