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