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