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