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