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