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