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