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