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