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