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