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