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