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