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