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