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