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