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