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