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