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