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