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