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