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