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