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