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