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