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