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