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