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