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