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