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