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