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