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