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