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