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