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