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