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