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