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