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)(19,27)(20,33)(21,25)(22,37)(23,29)(24,28)(26,36)(30,41)(31,45)(32,40)(34,48)(35,43)(38,44)(39,47)(42,46)(1,3)(2,5)(4,9)(6,8)(7,10)(11,13)(12,15)(14,16)(17,19,23,31)(18,25,29,40)(20,34,36,47)(21,22,32,24)(26,41,33,42)(27,28,45,37)(30,38,46,35)(39,43,48,44)(2,8)(3,10)(6,7)(9,16)(11,12)(14,15)(17,20)(18,26)(19,30)(21,34)(22,35)(23,36)(24,38)(25,39)(27,42)(28,43)(29,33)(31,46)(32,47)(37,44)(40,48)(41,45) involution — undirected(1,4)(2,9)(3,11)(5,13)(6,15)(7,14)(8,16)(10,12)(17,21,22,31,23,32,24,19)(18,27,28,40,29,45,37,25)(20,34,35,46,36,47,38,30)(26,42,43,48,33,41,44,39)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.