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