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